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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Main Raw Material: Polyester
  • Usage: Electrical Insulating Varnish
  • Application Method: immersion
  • Brand Name: Rota
  • Model Number: R-405
  • product name: insulating varnish

Packaging & Delivery

Packaging Details 180kg/drum with 200L steel drum for export.

 

R-405 Water-based Impregnating Varnish

 

Introduction

 

R-405 water-based impregnating varnish is composed of waterborne polyester resin, hardener and water etc., presents in single component form. The thermal class of R-405 is B/F.

 

Features

 

Good permeability, no pollution, easy to use, excellent insulation and mechanical property.

 

Applications

 

It is suitable for immersion of all kinds of transformers, chargers, motor coils and wires etc.

 

Qualification (as the Q/R 101-2010 company standard)

 

No.

Test Item

Test Method

Unit

Value

1

Appearance

Test Tube

-

Yellowish-brown transparency liquid, no mechanical admixture

2

pH

-

-

7.0-9.0

3

Viscosity

4#cup, 23±1°C

s

20-40

4

Drying time

130±2°C

min

≤30

5

Dielectric strength

Normalcy

MV/m

≥70

After immersion in water

≥50

6

Volume Resistivity

Normalcy

Ω·m

≥1×1012

After immersion in water

≥1×1010

 

 

 

 

 

Established in 1992, Rota Group is one of the most professional manufacturers of  impregnating varnish, mica tape, potting resin and embedding resin in China. Most products have been approved by ISO9001, 14000, UL, TUV, FDA, RoHS and REACH, widely used in high-voltage motors, wires and cables, household appliances, industrial pumps, and metallurgy equipments etc. We win the trust of the majority of well-known manufactures, like BOSCH, BLACK & DECKER, Fujitsu,  Shibaura, REGAL, Siemens, EPCOS, N.P.V. and so on.

 

 

 Professional quality, creating value for customers. Rota Group lead in the aspects of industry scale, product technology and innovation capacity, we will provide quality products and professional services for you. Welcome you!

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